diff options
Diffstat (limited to 'fs/ext4/super.c')
| -rw-r--r-- | fs/ext4/super.c | 50 |
1 files changed, 29 insertions, 21 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 44d0c8db223..ee2f74a7084 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1801,6 +1801,7 @@ set_qf_format: break; case Opt_nodelalloc: clear_opt(sb, DELALLOC); + clear_opt2(sb, EXPLICIT_DELALLOC); break; case Opt_mblk_io_submit: set_opt(sb, MBLK_IO_SUBMIT); @@ -1817,6 +1818,7 @@ set_qf_format: break; case Opt_delalloc: set_opt(sb, DELALLOC); + set_opt2(sb, EXPLICIT_DELALLOC); break; case Opt_block_validity: set_opt(sb, BLOCK_VALIDITY); @@ -3224,6 +3226,33 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) &journal_ioprio, NULL, 0)) goto failed_mount; + if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) { + printk_once(KERN_WARNING "EXT4-fs: Warning: mounting " + "with data=journal disables delayed " + "allocation and O_DIRECT support!\n"); + if (test_opt2(sb, EXPLICIT_DELALLOC)) { + ext4_msg(sb, KERN_ERR, "can't mount with " + "both data=journal and delalloc"); + goto failed_mount; + } + if (test_opt(sb, DIOREAD_NOLOCK)) { + ext4_msg(sb, KERN_ERR, "can't mount with " + "both data=journal and delalloc"); + goto failed_mount; + } + if (test_opt(sb, DELALLOC)) + clear_opt(sb, DELALLOC); + } + + blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size); + if (test_opt(sb, DIOREAD_NOLOCK)) { + if (blocksize < PAGE_SIZE) { + ext4_msg(sb, KERN_ERR, "can't mount with " + "dioread_nolock if block size != PAGE_SIZE"); + goto failed_mount; + } + } + sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0); @@ -3265,8 +3294,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) if (!ext4_feature_set_ok(sb, (sb->s_flags & MS_RDONLY))) goto failed_mount; - blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size); - if (blocksize < EXT4_MIN_BLOCK_SIZE || blocksize > EXT4_MAX_BLOCK_SIZE) { ext4_msg(sb, KERN_ERR, @@ -3679,25 +3706,6 @@ no_journal: "available"); } - if (test_opt(sb, DELALLOC) && - (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA)) { - ext4_msg(sb, KERN_WARNING, "Ignoring delalloc option - " - "requested data journaling mode"); - clear_opt(sb, DELALLOC); - } - if (test_opt(sb, DIOREAD_NOLOCK)) { - if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) { - ext4_msg(sb, KERN_WARNING, "Ignoring dioread_nolock " - "option - requested data journaling mode"); - clear_opt(sb, DIOREAD_NOLOCK); - } - if (sb->s_blocksize < PAGE_SIZE) { - ext4_msg(sb, KERN_WARNING, "Ignoring dioread_nolock " - "option - block size is too small"); - clear_opt(sb, DIOREAD_NOLOCK); - } - } - err = ext4_setup_system_zone(sb); if (err) { ext4_msg(sb, KERN_ERR, "failed to initialize system " |